Which statements are true about three-dimensional figures? check all that apply. a sphere has no bases. a prism must have a triangular or rectangular base. a square pyramid must have lateral faces that are squares. a triangular prism has two triangular bases and four triangular lateral faces. the lateral face of a cylinder is in the shape of a rectangle.

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Asap describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x). f(x)=-5.8sin x. g(x)=sin x. a: vertical stretch by a factor of 5.8, reflection across y-axis. b: vertical stretch by a factor of 5.8,reflection across x-axis. c: horizontal stretch by a factor of 5.8, reflection across x-axis. d: horizontal stretch by a factor of 5.8 reflection across y-axis.

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?